6CG7 - 6FQ7 Matsushita Japan NOS - 5% SPECIAL SELECTION - Pair (v48 - v55)

6CG7_matsu_v48-55_spec

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ULTRA - MATCHED PAIR 6CG7 - 6FQ7 Matsushita Japan NOS, SPECIAL SELECTION By Audiokit BALANCED TRIODES FOR Ip & Gm Within 5% (on 8 measurements), both the same code 606, COPPER Grid Rods,  3 ribbed semibox grey Plates, Top Ring Getter, in White Box (v48 - v55)

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Burned, Tested, Selected by Audiokit with TTA+ AVO VCM 163 + AKi Matching Software


ins 13/01/2022 MZ

Warning: Last items in stock!

62,70 €

-15%

73,77 €

  • THE BEST ! THE MOST PRECISE! with very tight tolerances, they are chosen by us during the normal selection for the coupling, to consider that out a pair so at least every 20-30 tubes measured, considering that for each tube (double triode) there are four measurements toagree (Ip e Gm for each triode)

    To achieve this we use our TTA (the warmer) which allows us to heat up to 20 tubes at the same time and then perform the measurements with the "Characteristic Meter Avo VCM 163" so the heating time will be the same for the whole lot so as to obtain precise and reliable relative numbers for the subsequent selection made with a software developed by us that compares all the values ​​of Ip and Gm of the whole and extrapolates the single balanced triodes, the pairs, the triplets, the quartets to the various tolerances.

    For information we specify that the measurements are performed at constant Va, therefore having Ip and Gm within close tolerances, also the Ra and the μ will be.

  • note Burned, Tested, Selected by Audiokit with TTA+ AVO VCM 163 + AKi Matching Software
    dati ins 13/01/2022 MZ

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6CG7 - 6FQ7 Matsushita Japan NOS - 5% SPECIAL SELECTION - Pair (v48 - v55)

6CG7 - 6FQ7 Matsushita Japan NOS - 5% SPECIAL SELECTION - Pair (v48 - v55)

ULTRA - MATCHED PAIR 6CG7 - 6FQ7 Matsushita Japan NOS, SPECIAL SELECTION By Audiokit BALANCED TRIODES FOR Ip & Gm Within 5% (on 8 measurements), both the same code 606, COPPER Grid Rods,  3 ribbed semibox grey Plates, Top Ring Getter, in White Box (v48 - v55)

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